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WO/2014/196344A1 |
The present invention prevents damage to the valve seat of a control valve in a back-pressure control unit caused by foreign matter in high-pressure fuel. The present invention is configured in a manner such that: an inlet connector havi...
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WO/2014/191127A1 |
A valve arrangement (131) for use in a fuel injector of a high-pressure fuel injection system for an internal combustion engine. The valve arrangement (131) comprises a valve body (134) defining a valve seat (154) and a valve member (138...
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WO/2014/193352A1 |
A fuel injector has a plunger to which a piston applies force to inject fuel and to which fuel at fuel rail pressure is also applied to provide additional injection force. The fuel which provides the additional force is recovered to incr...
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WO/2014/193356A1 |
An amplified needle control to provide faster response times when an injection event is to be terminated, such as faster response times when stopping the injection of fuel by a fuel injector into a combustion chamber of an internal combu...
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WO/2014/183902A1 |
A fuel injection valve (1) for internal combustion engines for injecting fuel at high pressure, having a pressure chamber (10) in which a nozzle needle (5) is arranged in longitudinally displaceable fashion, wherein the nozzle needle (5)...
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WO/2014/175857A1 |
A fuel injector assembly has a control valve body and a plurality of end caps. End cap locating holes are formed into a mating surface of each end cap, and control valve body locating holes are formed into each mating surface of the cont...
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WO/2014/166651A1 |
The invention relates to a fuel injection valve for internal combustion engines for injecting highly pressurized fuel, comprising a pressure chamber (14) and a control valve (30) formed in a valve body (4). A nozzle needle (10) is arrang...
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WO/2014/164436A1 |
A needle type fuel injector has a needle control chamber at a pressure subject to a control valve in a control valve chamber which in an opening phase is lifted from its seat to expose the control valve chamber, connecting passages, and ...
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WO/2014/139792A1 |
A control valve assembly (36) for controlling fuel pressure in a control chamber (34) of a fuel injector (30). The control valve assembly (36) comprising a valve member (46) arranged in a bore (42) provided in a valve housing (44), at le...
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WO/2014/131497A1 |
The housing (18) of the fuel injection valve (10) of the device for intermittently injecting fuel into the combustion chamber of an internal combustion engine comprises a high-pressure inlet (34) with a conical sealing face (44). The hig...
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WO/2014/127794A1 |
Disclosed is a fuel injector (10) for a fuel injection device, wherein the injector (10) has a control chamber (28), which can be selectively relieved of pressure by means of a pilot valve (54) of the injector (10) in order to control th...
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WO/2014/117897A1 |
The invention relates to a method for ascertaining the fuel temperature in the high-pressure zone of a fuel injection system of a motor vehicle. The fuel injection system has at least one injector operated by means of a servo valve which...
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WO/2014/113134A1 |
Methods of operating fuel injectors with intensified fuel storage. At least one storage volume is provided in the intensifier type fuel injector, with a check valve between the intensifier and the needle chamber and storage volume preven...
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WO/2014/106525A1 |
A double needle injector (1) having two indirectly controlled nozzle needles (3, 5) which are arranged next to each other and can each be controlled via their own control chamber (35, 37) of the injector (1), wherein the injector (1) is ...
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WO/2014/090444A1 |
The invention relates to a fuel injection valve comprising a control valve (10) for controlling a fuel flow through a drain bore (28), through which drain bore (28) fuel is directed from a control space (10) into a low-pressure space (29...
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WO/2014/086933A1 |
A piezo injector comprises: - an actuator space (119) in which a piezo actuator (104) is arranged, - a control piston bore (121) in which a control piston (110) with an end face (118) is arranged, - a leakage pin (106) which is arranged ...
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WO/2014/079618A1 |
The invention relates to a fuel injection valve (1), which is used in particular for fuel injection systems of air-compressing, auto-ignition internal combustion engines, comprising a valve piece (4), a valve needle piston (35) and a con...
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WO/2014/075765A1 |
Two-substance injector (1) with a nozzle valve (17), formed for the injector by a nozzle needle (13) and a nozzle valve seat (15) therefor, wherein a first high pressure fluid path (3), particularly a fuel path, is guided via a flow cros...
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WO/2014/075988A1 |
The invention relates to an injector (10) having an injector housing (15), having an actuator (50) and having a nozzle needle (155), wherein the actuator (50) is arranged in an actuator chamber (45) of the injector housing (15), wherein ...
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WO/2014/067847A1 |
The present invention relates to a 3-way valve assembly (102; 202; 302) for a fuel injector (101; 201; 301). The valve assembly (102; 202; 302) includes a valve body (103; 203; 303), a movable valve member (104; 204; 304), and an armatur...
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WO/2014/069452A1 |
[Problem] To provide a multilayered piezo element in which the peeling of an exterior electrode plate can be suppressed, and to provide a piezo actuator, an injection apparatus, and a fuel injection system provided with the element. [Sol...
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WO/2014/063819A1 |
The invention relates to a fuel injector (1) for internal combustion engines wherein the control valve unit (9) impinged upon by an actuator (5) is connected by means of an actuation force transmitting unit to a control chamber (13) situ...
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WO/2014/060799A1 |
The optical system allows the detection of the opening and then the control and diagnostics of injectors of any type, with any type of petrol and supply, as well as other mechanical moving parts drowned in a fluid. This system includes: ...
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WO/2014/060282A1 |
A method for producing an injection valve (1) is specified. The method comprises the provision of a nozzle body (2) which has a nozzle body recess (3) and a sealing surface (6), said sealing surface being arranged at an axial end of the ...
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WO/2014/048605A1 |
A fuel injector (10) for use in a high-pressure fuel injection system for an internal combustion engine is described. The fuel injector comprises a high-pressure fuel volume (32) defined by at least one wall (24a), a supply passage (30) ...
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WO/2014/039800A1 |
Piezoelectric fuel injectors provide a means to reduce fuel consumption, noise and emissions in modern IC engines. Disclosed herein are methods and apparatus for within-an-engine cycle estimation of injected fuel, especially for a "rate ...
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WO/2014/031007A1 |
A pulse-width-regulating valve (1) for the regulation of a fluid flow and/or a fluid pressure is described, the pulse-width-regulating valve (1) comprising a cut-off valve (1a) connected in series with an inflow valve (1b), at least one ...
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WO/2014/023317A1 |
A flow control system (1) for a fuel injector for an internal combustion engine is provided comprising an inlet port (2), an outlet (3), a return port (4), a 2- way control valve (40) comprising a control valve member (6), a shuttle valv...
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WO/2014/000966A1 |
The invention concerns a fuel-injection valve (1) for internal combustion engines, with a housing (2), in which is formed a pressure chamber (6) from which at least one injection opening (8) proceeds. Disposed in the pressure chamber (6)...
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WO/2014/000968A1 |
The invention concerns a fuel-injection valve for internal combustion engines, with a housing (2), in which is formed a pressure chamber (6) from which at least one injection opening (8) proceeds. Disposed in the pressure chamber (6) is ...
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WO/2014/000957A1 |
The invention relates to a fuel injection valve comprising a housing (1) in which pressure is applied to a nozzle needle (8), in a control chamber (28), at least indirectly with a closing force in the direction of a valve seat (10). The ...
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WO/2014/000865A1 |
The invention relates to an injector (1) for a fuel injection device, wherein the injector (1) has a control space (7), via which the stroke position of a nozzle needle (3) of a nozzle valve (4) for the injector (1) can be controlled, wh...
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WO/2013/186051A1 |
The present invention relates to a fuel injector (101; 201) for use in delivering fuel to an internal combustion engine. The fuel injector (101; 201) includes a nozzle (105; 205) having a valve needle (107; 207) which is movable with res...
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WO/2013/178443A1 |
The present invention relates to a fuel injector (1) for use in delivering fuel to an internal combustion engine. The fuel injector (1) includes a nozzle having at least one nozzle outlet. A valve needle is moveable with respect to a val...
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WO/2013/178386A1 |
The invention relates to a fuel injector (10), having an electrical actuator (28), particularly an electromagnet, for injecting fuel into the combustion chamber of an internal combustion engine. A closing element (44), which releases or ...
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WO/2013/178338A1 |
The invention relates to an injector (1) for a fuel injection device, in particular of a motor vehicle, the injector (1) having a control chamber (15) from which pressure can be selectively relieved via a pilot valve (17) of the injector...
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WO/2013/174601A1 |
In the case of an injector of a modular common-rail fuel injection system having a high-pressure accumulator (6) which is integrated into the injector body, the injector (1) comprises an injection nozzle (3) with a nozzle needle (15) whi...
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WO/2013/160536A1 |
A fuel injector (1) comprising a movable control piston (10), a fuel space (15) delimited by the control piston (10) and the injector needle (8), whereby fuel pressure in the fuel space (15) is arranged to press the injector needle (8) t...
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WO/2013/141736A1 |
The invention relates to engine construction, in particular to injectors with microprocessor control. An electrically controllable injector comprises a body with at least one channel for supplying fuel under high pressure, at least on...
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WO/2013/118298A1 |
A working fluid supply device (13) is provided with: a main body part (31) in which a housing chamber (30) is formed; a first piston (34) which is disposed in the housing chamber (30) and vertically advances and retreats; and a second pi...
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WO/2013/117979A1 |
A device for injecting fuel into the combustion chamber of an internal combustion engine comprises at least one injector (1) which has an injection nozzle (2) with an axially displaceable nozzle needle (15), which nozzle needle protrudes...
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WO/2013/111011A1 |
In the case of a device for injecting fuel into the combustion chamber of an internal combustion engine, having a nozzle needle (15) which is axially movable in an injector nozzle (2) and which protrudes into a control chamber (11) which...
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WO/2013/111008A1 |
The invention relates to a device for injecting fuel into the combustion chamber of an internal combustion engine, comprising at least one injector (1) that has: a high-pressure accumulator (6), which is integrated into the injector body...
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WO/2013/110710A1 |
The present invention relates to a control valve (113; 113') for a fuel injector (101). The control valve (113; 113') has a control valve body (115; 115') which defines a supply passage (133; 133') for high pressure fuel. A control chamb...
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WO/2013/104782A1 |
A fuel injector for use in a fuel system for an internal combustion engine is disclosed. The fuel injector comprises a supply means (24, 24a) for high pressure fuel, an injection nozzle (25) including a valve needle (26) which is engagea...
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WO/2013/098231A1 |
The invention relates to a fuel injection valve for internal combustion engines for injecting fuel at a high pressure, comprising a housing (1) which has a high-pressure connection (7) that comprises a connection body (15), said connecti...
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WO/2013/098307A1 |
The invention relates to a fuel injection valve with a nozzle needle (10) to which the pressure in a control chamber (22) is at least indirectly applied in a closing direction. The control chamber (22) can be filled with highly pressuriz...
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WO/2013/092948A1 |
A fuel injection valve having a nozzle body (1) in which is formed a pressure chamber (2) with a nozzle needle (10) longitudinally movably arranged therein. The nozzle needle (10) interacts, by means of a sealing surface (18), with a sea...
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WO/2013/084344A1 |
The objective of this invention is to stabilize the fuel injection amount for each cylinder and to reliably execute fuel injection control in a single-pressure-feed dual-injection type alcohol fuel injection system. An engine (10) is equ...
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WO/2013/083626A1 |
Valve assembly arrangement for an injection valve and injection valve The invention relates to a valve assembly arrangement (11) for an injection valve (10), the valve assembly arrangement (11) having a central longitudinal axis (L) and ...
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